Investigation on the practice of euthanasia and assisted suicide by family doctors Description of r.'s practice / r.s attitude to one's right of self-determination, euthanasia and medical assistance with suicide / detailed description of r.'s latest case of euthanasia-assisted suicide / background of patient involved, disease(s), severeness of suffering, talks with patient / consultation of colleagues about patient / consultation of patients' relatives and other persons involved / consultation of the local coroner, health inspector, office medical data on the actual euthanasia treatment (drugs used etc.), reporting of euthanasia to the authorities. Background variables: basic characteristics/ residence/ place of work/ education/ religion